| 引用本文: | 狄正贤,阎峰云,耿海涛,李静娟.红柱石制备莫来石泡沫陶瓷[J].材料科学与工艺,2013,21(5):15-19.DOI:10.11951/j.issn.1005-0299.20130503. |
| DI Zheng-xian,YAN Feng-yun,GENG Hai-tao,LI Jing-juan.Mullite porous ceramic prepared by andalusite[J].Materials Science and Technology,2013,21(5):15-19.DOI:10.11951/j.issn.1005-0299.20130503. |
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| 红柱石制备莫来石泡沫陶瓷 |
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狄正贤1,3,阎峰云1,2,耿海涛1,李静娟2
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(1.兰州理工大学 有色金属合金及加工教育部重点实验室,兰州 730050;2.兰州理工大学 甘肃省有色金属新材料省部共建国家重点实验室,兰州 730050;3.白银市工业学校, 甘肃白银 730900)
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| 摘要: |
| 以红柱石和氧化铝为主要原料、聚苯乙烯粒子为造孔剂,通过烧结法制备莫来石泡沫陶瓷,借助XRD和SEM分析了烧成温度和骨料配比对获得莫来石相组成和结构的影响规律,并通过正交试验,探讨烧结温度、造孔剂加入量和骨料配比等工艺参数对制备莫来石泡沫陶瓷性能的影响.结果表明:造孔剂加入量对密度和强度的影响较大,烧结温度次之,骨料配比最小；最佳的因素水平为烧结温度1 450 ℃,EPS质量分数5%,骨料质量比m(红柱石)∶m(氧化铝)=80∶20,此时表观密度为0.52 g/cm3,抗折强度0.36 MPa. |
| 关键词: 泡沫陶瓷 莫来石 红柱石 造孔剂 表观密度 抗折强度 |
| DOI：10.11951/j.issn.1005-0299.20130503 |
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| Mullite porous ceramic prepared by andalusite |
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DI Zheng-xian1,3,YAN Feng-yun1,2,GENG Hai-tao1,LI Jing-juan2
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(1.State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology,Lanzhou 730050,China; 2. Key Laboratory of Non-ferrous Metal Alloys and Processing of Ministry of Education, Lanzhou University of Technology,Lanzhou 730050,China;3.Baiyin School of Industry, Baiyin 730900, China).
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| Abstract: |
| With andalusite and alumina as the main material, EPS as pore-forming agent, mullite porous ceramic was prepared by Sintering Process. The phase and microstructure of the mullite prepared at different sintering temperature and mixture ratio of gain were analyzed by XRD and SEM methods. The effect of sintering temperature, adding amount of EPS and the mixtures of andalusite and alumina mixture ratio on properties of mullite were investigated by means of orthogonal experiment. It showed that the effect of EPS on bulk density and bending strength of mullite was the most, that of the sintering temperature was the second and the mixture ratio was the least. When the sintering temperature is at 1 450 ℃, the pore-forming agent is 5wt% and the mixture mass ratio of raw material is 80∶20, the bulk density is 0.52 g/cm3, and the bending strength is 0.36 MPa. |
| Key words: porous ceramic mullite andalusite pore-forming agent bulk density bending strength |
